Answer:
9
Step-by-step explanation:
you can set up a proportion for it (i included a picture of it)
Angle 3 and 4 are supplementary angles and create a straight line.
This means when added together they need to equal 180 degrees.
Angle 3 = 180 - angle 4
Angle 3 = 180-40 = 140 degrees.
Answer: i think its a im not sure sorry
Step-by-step explanation:
12/5 = 2.4 min
2.4 minutes - 2 minutes
= 0.4 minutes
60/10=6
6*4=24
It takes John 24 seconds to assemble a watch.